+

WO2003083943A2 - Diode electroluminescente emettant une lumiere parallele et homogene - Google Patents

Diode electroluminescente emettant une lumiere parallele et homogene Download PDF

Info

Publication number
WO2003083943A2
WO2003083943A2 PCT/DE2003/001086 DE0301086W WO03083943A2 WO 2003083943 A2 WO2003083943 A2 WO 2003083943A2 DE 0301086 W DE0301086 W DE 0301086W WO 03083943 A2 WO03083943 A2 WO 03083943A2
Authority
WO
WIPO (PCT)
Prior art keywords
light
led
emitting diode
emitting
parallel
Prior art date
Application number
PCT/DE2003/001086
Other languages
German (de)
English (en)
Other versions
WO2003083943A3 (fr
Inventor
Volker Frese
Markus Kamp
Original Assignee
G.L.I. Global Light Industries Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by G.L.I. Global Light Industries Gmbh filed Critical G.L.I. Global Light Industries Gmbh
Priority to AU2003233924A priority Critical patent/AU2003233924A1/en
Priority to DE10391138T priority patent/DE10391138D2/de
Publication of WO2003083943A2 publication Critical patent/WO2003083943A2/fr
Publication of WO2003083943A3 publication Critical patent/WO2003083943A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
    • H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
    • H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • the invention relates to a light-emitting diode (LED) and a light source comprising a plurality of light-emitting diodes for the homogeneous illumination of surfaces with parallel light beams.
  • LED light-emitting diode
  • a light source comprising a plurality of light-emitting diodes for the homogeneous illumination of surfaces with parallel light beams.
  • LEDs light-emitting diodes
  • an LED semiconductor chip in a lens body made of plastic or epoxy resin generates light by means of electroluminescence.
  • the power supply to the LED semiconductor chip is ensured by the electrically conductive contacting of the LED semiconductor chip with a lead frame, a stamped part made of metal, on which the LED semiconductor chip is mostly glued inside a reflector.
  • LEDs are increasingly being used for lighting purposes.
  • Industrial inspection systems in particular, often use LEDs as the light source for illuminating objects to be examined, because on the one hand, due to the narrow-band emission spectrum of the LEDs structure of the inspection system which is insensitive to interference light and on the other hand LEDs have a long service life.
  • the LEDs are mostly used in an LED array but also individually as a light source.
  • reflecting surfaces for example metallic surfaces
  • an optical inspection system in addition to the homogeneous illumination of the area to be checked, a beam path of the light rays of the light source that is as parallel as possible is also required.
  • the object of the invention is to provide an LED and a light source comprising a plurality of LEDs, which enables homogeneous illumination of surfaces with parallel light beams.
  • a Fresnel lens consists of annular zones, the The beams emitted by the LED semiconductor chip in the lens body are refracted on the surfaces of the ring zones of the Fresnel lens when they exit to the outside, so that the beam path of the light beams runs parallel in the outside area LED semiconductor chip in the lens body of the LED, light emitted at the total reflection surfaces is reflected back into the lens body, so that the reflected light beams do not reach the outside in the direction of radiation.
  • the arrangement of the total reflection surfaces reduces the int maximum intensity is reached, so that a constant intensity distribution over the light exit surface of the LED can be guaranteed.
  • the intensity distribution over the light exit surface of the LED are kept constant.
  • An LED according to the invention can thus illuminate a surface of the object to be illuminated with the size of the light exit surface of the LED homogeneously with parallel light rays.
  • the distance of an LED according to the invention from the object to be illuminated or, for example, from a secondary optics which is arranged between the LED and the object to be illuminated can be freely selected. This is particularly advantageous when high ambient temperatures preclude the use of LEDs in the immediate vicinity of the surface to be illuminated.
  • the LED according to the invention has an advantageous embodiment in that the lens body of the LED has a hexagonal cross section, at least in the area of the light exit surface.
  • the LEDs can thus be arranged in a hexagonally sealed package in an LED array without essentially creating non-radiating areas between the LEDs.
  • the parallelism of the beam path of the light beams emitted by an LED arranged in an LED array can be further improved in that, according to a next further developed embodiment, the LED has a cross section that increases in the direction of radiation. Multiple-refracted light rays, for example light rays reflected on the total reflection surfaces, can be radiated into adjacent LEDs and through the adjacent ones via the contact surfaces of adjacent LEDs LEDs are emitted into the outdoor space in violation of the parallelism.
  • the cross-section of the LED which increases in the direction of radiation, significantly reduces the contact areas of adjacent LEDs, which at the same time minimizes the incidence of multiple diffracted light beams in adjacent LEDs.
  • a particularly simple adaptation to the reflection properties of the surface of the objects to be examined can be achieved in that the LED emits light in the visible, infrared or ultraviolet wavelength range.
  • the required precision in the design of the Fresnel lens can also be ensured in mass production in good quality.
  • the production of an LED according to the invention is also conceivable using the conventional epoxy resin casting process.
  • the previously derived and demonstrated object is achieved by a light source comprising a plurality of LEDs according to the invention in that the LEDs are arranged in an array to form a closed luminous area.
  • the light source according to the invention enlarges the area that can be illuminated without generating the typical dot matrix. If the light source according to the invention is further developed in accordance with the second teaching of the invention in that the LEDs are packed in a hexagonally tight array, forming a closed luminous area, a maximum density of LEDs can be realized in the light source and the intensity on the area to be illuminated can be maximized become.
  • the illumination of an area which is larger than the closed luminous area of the light source can, according to a next further developed embodiment of the light source, be achieved in that at least one diffusing screen is provided between the LEDs and the area to be illuminated in order to expand the parallel light beams in a room plane is.
  • the parallelism of the light rays in the spatial plane perpendicular to the expansion plane is maintained so that the inspection of reflecting surfaces can still be carried out.
  • At least one roller plate is preferably provided as a scattering plate.
  • a roller plate consists of a plate made of transparent material, for example plastic or glass, with one side of the roller plate having roller-shaped, parallel and lined up elevations.
  • the required widening angle of the parallel light beams can be set by varying the number and curvature of the roller structures.
  • FIG. 1 shows an exemplary embodiment of an LED according to the invention for homogeneous illumination of surfaces with parallel light beams
  • Figure 2 is a plan view of an embodiment of a light source according to the invention according to the second teaching of the invention.
  • Figure 3 shows in section an embodiment of a diffuser for use in conjunction with a light source according to the second teaching of the invention.
  • the first exemplary embodiment, shown in section in FIG. 1, of an LED 1 according to the invention for homogeneous illumination of surfaces with parallel light rays has a lens body 2 with a Fresnel lens 3 and an LED semiconductor chip 4.
  • the LED semiconductor chip 4 is preferably glued into a reflector, not shown here.
  • the Fresnel lens 3 additionally has total reflection surfaces 5 in the region of the optical axis of the LED.
  • the light rays 6 emitted by the LED semiconductor chip 4 into the lens body 2 are refracted when they exit into the exterior space by the ribs of the Fresnel lens 3 formed in concentric rings in such a way that the light rays run parallel in the radiation direction in the exterior space.
  • the cosine-shaped intensity distribution of the LED semiconductor chip 4 emitting as a surface spotlight is corrected with the aid of the total reflection surfaces 5.
  • the total reflection surfaces 5 are arranged concentrically around the optical axis of the LED 1, cf. also figure la. If light rays 6, emitted by the LED semiconductor chip 4, directly hit the total reflection surfaces 5, they are completely reflected in the lens body of the LED 1.
  • the corresponding light rays do not reach the outside in the direction of radiation. If the area and position of the concentric total reflection surfaces 5 are selected depending on the spatial intensity distribution of the light beams emitted by the LED semiconductor chip 4 in the lens body of the LED, not only can a reduction in the center intensity be achieved, but also The intensity distribution of the light rays in the radiation direction in the exterior is kept constant over the entire light exit surface of the LED 1.
  • the lens body 2 of the LED has a cross section that increases in the radiation direction.
  • adjacent LEDs only touch in the area of the Fresnel lens 31, so that extremely small contact areas are created.
  • Light rays 6, which have been reflected by the total reflection surfaces 5 in the lens body of the LEDs 1, are therefore only scattered to a small extent into adjacent LEDs.
  • the exit of multiply scattered light beams 6 is reduced in the radiation direction. The result is an improved parallelism of the beam path with less scattered light.
  • FIG. 2 shows a top view of an exemplary embodiment of a light source according to the invention in accordance with the second teaching of the present invention.
  • a plurality of LEDs 1 are arranged in an LED array 7 in a hexagonally sealed packing, so that the light exit surfaces of the LEDs 1 form a closed luminous surface. Due to the parallel beam path of the emitted light beams and the constant intensity distribution over the entire luminous area of the LED array 7, a large area can be homogeneously illuminated with parallel light rays without generating the typical dot pattern of a conventional LED array.
  • FIG. 1 shows, a plurality of LEDs 1 are arranged in an LED array 7 in a hexagonally sealed packing, so that the light exit surfaces of the LEDs 1 form a closed luminous surface. Due to the parallel beam path of the emitted light beams and the constant intensity distribution over the entire luminous area of the LED array 7, a large area can be homogeneously illuminated with parallel light rays without generating the typical dot pattern of a conventional LED array
  • FIG. 3 again shows in section a diffusing plate designed as a roller plate 8, which is used to widen the parallel light beams 10 of a light source 7 or LED 1 according to the invention, not shown in FIG. 3.
  • the roller plate 8 has side-by-side, parallel roller structures 9 on one side of the roller plate 8 made of optically transparent material. Parallel light rays 10 striking the roller plate 8 are refracted and expanded only in the plane perpendicular to the roller structures 9. Due to the widened beam, a larger area can now be illuminated homogeneously, the parallelism conditions only being maintained in the plane parallel to the roller structures 9 running on the roller plate 8. Due to the parallel beam path of an LED 1 or light source 7 according to the invention, the distance to the roller plate 8 can be chosen almost arbitrarily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une diode électroluminescente (DEL) et une source lumineuse comprenant une pluralité de diodes électroluminescentes permettant un éclairage homogène de surfaces par des rayons lumineux parallèles. L'invention vise à fournir une diode DEL et une source lumineuse qui comprend une pluralité diodes et permet un éclairage homogène de surfaces par des faisceaux lumineux parallèles. A cet effet, une diode DEL (1) dont le corps lentille (2) présente une lentille de Fresnel (3) destinée à émettre des rayons lumineux de trajectoires parallèles et la lentille de Fresnel (3) a des surfaces à réflexion totale (5).
PCT/DE2003/001086 2002-04-02 2003-04-02 Diode electroluminescente emettant une lumiere parallele et homogene WO2003083943A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003233924A AU2003233924A1 (en) 2002-04-02 2003-04-02 Light-emitting diode emitting homogeneous parallel light
DE10391138T DE10391138D2 (de) 2002-04-02 2003-04-02 Homogen paralleles Licht emittierende Leuchtdiode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10214566A DE10214566B4 (de) 2002-04-02 2002-04-02 Homogen paralleles Licht emittierende Leuchtdiode
DE10214566.0 2002-04-02

Publications (2)

Publication Number Publication Date
WO2003083943A2 true WO2003083943A2 (fr) 2003-10-09
WO2003083943A3 WO2003083943A3 (fr) 2004-07-01

Family

ID=28458529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/001086 WO2003083943A2 (fr) 2002-04-02 2003-04-02 Diode electroluminescente emettant une lumiere parallele et homogene

Country Status (3)

Country Link
AU (1) AU2003233924A1 (fr)
DE (2) DE10214566B4 (fr)
WO (1) WO2003083943A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006021837A1 (fr) * 2004-08-25 2006-03-02 Acol Technologies Sa Boitiers de systeme a diodes electroluminescentes
US7463419B2 (en) 2005-01-31 2008-12-09 Sick Ag Optoelectronic sensor
US7701648B2 (en) 2005-09-14 2010-04-20 3M Innovative Properties Company Fresnel lens
US7800840B2 (en) 2008-09-10 2010-09-21 E-Pin Optical Industry Co., Ltd. Convex-fresnel LED lens and LED assembly thereof
US8042975B2 (en) 2008-09-10 2011-10-25 E-Pin Optical Industry Co., Ltd. Plano-fresnel LED lens and LED assembly thereof
US20240111186A1 (en) * 2022-10-04 2024-04-04 Brightview Technologies, Inc. Back Light Unit for Backlit Displays

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004779B4 (de) * 2004-01-30 2015-09-03 Osram Opto Semiconductors Gmbh Leuchtdioden-Beleuchtungsmodul mit optischer Einrichtung zur Strahlformung
DE102005055997A1 (de) * 2005-05-02 2006-11-09 Hieke, Bernhard Homogene Lichtquelle
DE102007014811A1 (de) 2007-03-28 2008-10-09 Rehau Ag + Co Lichtemittierende Anordnung
DE102010014209A1 (de) * 2010-04-08 2011-10-13 Siteco Beleuchtungstechnik Gmbh Leuchte mit optischer Platte
DE102015107443B4 (de) * 2015-05-12 2022-01-13 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Linse und optoelektronische Leuchtvorrichtung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149527A (en) * 1983-09-20 1985-06-12 Cassel Smith Limited A sign readable at passing speeds
EP0499946A1 (fr) * 1991-02-20 1992-08-26 AT&T Corp. DEL avec réflecteur à facettes multiples pour augmenter l'efficacité de couplage et la tolérance d'ajustage
DE19542416A1 (de) * 1994-11-17 1996-05-23 Teledyne Ind Anordnung zum Erzeugen einer gerichteten Lichtabstrahlung aus einer LED
US5528057A (en) * 1993-05-28 1996-06-18 Omron Corporation Semiconductor luminous element with light reflection and focusing configuration
DE10016714A1 (de) * 2000-04-04 2001-10-18 Vishay Semiconductor Gmbh Strahlungsemittierende Vorrichtung
WO2001080322A2 (fr) * 2000-04-19 2001-10-25 Osram Opto Semiconductors Gmbh Puce de del et son procede de production
WO2002007131A1 (fr) * 2000-07-18 2002-01-24 Osram Opto Semiconductors Gmbh Module de systeme optique de rayonnement passif, notamment destine a etre utilise avec des diodes electroluminescentes
TW475068B (en) * 2000-11-13 2002-02-01 Ind Tech Res Inst Surface light source generator
WO2002089217A2 (fr) * 2001-04-27 2002-11-07 Osram Opto Semiconductors Gmbh Puce a semi-conducteur utilisee en optoelectronique
DE10163117C1 (de) * 2001-12-24 2003-01-16 Reitter & Schefenacker Gmbh Verfahren zum Herstellen von lichtleitenden LED-Körpern in zwei zeitlich getrennten Stufen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8812039U1 (de) * 1988-09-23 1988-12-29 Jungck, Günter, 79400 Kandern Leuchtdiodengehäuse
JPH05102528A (ja) * 1991-10-11 1993-04-23 Omron Corp 光半導体素子
JPH06104489A (ja) * 1992-09-17 1994-04-15 Rohm Co Ltd 集合型発光ダイオード表示装置
JPH11346003A (ja) * 1998-06-01 1999-12-14 Adobanet:Kk 発光ダイオード

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149527A (en) * 1983-09-20 1985-06-12 Cassel Smith Limited A sign readable at passing speeds
EP0499946A1 (fr) * 1991-02-20 1992-08-26 AT&T Corp. DEL avec réflecteur à facettes multiples pour augmenter l'efficacité de couplage et la tolérance d'ajustage
US5528057A (en) * 1993-05-28 1996-06-18 Omron Corporation Semiconductor luminous element with light reflection and focusing configuration
DE19542416A1 (de) * 1994-11-17 1996-05-23 Teledyne Ind Anordnung zum Erzeugen einer gerichteten Lichtabstrahlung aus einer LED
DE10016714A1 (de) * 2000-04-04 2001-10-18 Vishay Semiconductor Gmbh Strahlungsemittierende Vorrichtung
WO2001080322A2 (fr) * 2000-04-19 2001-10-25 Osram Opto Semiconductors Gmbh Puce de del et son procede de production
WO2002007131A1 (fr) * 2000-07-18 2002-01-24 Osram Opto Semiconductors Gmbh Module de systeme optique de rayonnement passif, notamment destine a etre utilise avec des diodes electroluminescentes
TW475068B (en) * 2000-11-13 2002-02-01 Ind Tech Res Inst Surface light source generator
WO2002089217A2 (fr) * 2001-04-27 2002-11-07 Osram Opto Semiconductors Gmbh Puce a semi-conducteur utilisee en optoelectronique
DE10163117C1 (de) * 2001-12-24 2003-01-16 Reitter & Schefenacker Gmbh Verfahren zum Herstellen von lichtleitenden LED-Körpern in zwei zeitlich getrennten Stufen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 453 (E-1417), 19. August 1993 (1993-08-19) -& JP 05 102528 A (OMRON CORP), 23. April 1993 (1993-04-23) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006021837A1 (fr) * 2004-08-25 2006-03-02 Acol Technologies Sa Boitiers de systeme a diodes electroluminescentes
US7463419B2 (en) 2005-01-31 2008-12-09 Sick Ag Optoelectronic sensor
US7701648B2 (en) 2005-09-14 2010-04-20 3M Innovative Properties Company Fresnel lens
US7800840B2 (en) 2008-09-10 2010-09-21 E-Pin Optical Industry Co., Ltd. Convex-fresnel LED lens and LED assembly thereof
US8042975B2 (en) 2008-09-10 2011-10-25 E-Pin Optical Industry Co., Ltd. Plano-fresnel LED lens and LED assembly thereof
US20240111186A1 (en) * 2022-10-04 2024-04-04 Brightview Technologies, Inc. Back Light Unit for Backlit Displays
US12228819B2 (en) * 2022-10-04 2025-02-18 Brightview Technologies, Inc. Back light unit for backlit displays

Also Published As

Publication number Publication date
DE10391138D2 (de) 2005-02-24
DE10214566B4 (de) 2007-05-24
WO2003083943A3 (fr) 2004-07-01
AU2003233924A8 (en) 2003-10-13
DE10214566A1 (de) 2003-10-30
AU2003233924A1 (en) 2003-10-13

Similar Documents

Publication Publication Date Title
DE112009003638B4 (de) Optische Halbleiter-Beleuchtungsvorrichtung
DE69209736T2 (de) LED-Lampe mit Linse
DE102008005488B4 (de) Scheinwerfer für Fahrzeuge
DE60303328T2 (de) Ringförmige Lichtquelle
DE102004026530B3 (de) Optikkörper
DE102011052351A1 (de) Lichtleitermodul
DE10051464A1 (de) Stufenlinse
DE102007002403A1 (de) Beleuchtungsanordnung, Mehrfach-Lichtmodul, Leuchte und deren Verwendung
DE202019103346U1 (de) Beleuchtungsvorrichtung mit LED und Gitter
WO2003083943A2 (fr) Diode electroluminescente emettant une lumiere parallele et homogene
DE102011112285A1 (de) Lichtformung mittels LED-Lichtquelle
DE102016109647B4 (de) Linse und Leuchte mit einer solchen Linse
DE102014119616A1 (de) LED-Linsenkörper zur Erzeugung eines Direkt- und Indirektlichtanteils
DE102014004472A1 (de) Leuchtmodul aufweisend ein optisches Element
EP3023689B1 (fr) Dispositif d'éclairage
DE102015202541A1 (de) Kraftfahrzeugleuchte
EP2245362B1 (fr) Dispositif d'éclairage
DE102017125212B4 (de) Linse und leuchtmodul
DE102015106022A1 (de) Abstrahleinheit für eine Operationsleuchte
DE202013103401U1 (de) Freiformoptik für LED-Straßenleuchten
WO2014005957A1 (fr) Dispositif servant à fournir un rayonnement électromagnétique avec une répartition prédéfinie du rayonnement cible et procédé servant à fabriquer un ensemble de lentilles
DE102018128124B4 (de) Optik
EP4160084A1 (fr) Luminaire intérieur et lentille à obturateur perforé
DE102020118661A1 (de) Signallampe mit 3d-lichteffekt
DE102019125640A1 (de) Optisches Element

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
REF Corresponds to

Ref document number: 10391138

Country of ref document: DE

Date of ref document: 20050224

Kind code of ref document: P

WWE Wipo information: entry into national phase

Ref document number: 10391138

Country of ref document: DE

122 Ep: pct application non-entry in european phase
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Ref document number: JP

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载